| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | 5.72366 |
| 2021 | 13.85 |
| 2020 | 4.06261 |
| 2019 | 6.23602 |
| 2018 | 12.2533 |
| 2017 | 17.2535 |
| 2016 | 11.004 |
| 2015 | 13.8659 |
| 2014 | 12.5802 |
| 2013 | 17.8185 |
| 2012 | 15.0414 |
| 2011 | 10.594 |
| 2010 | 8.45 |
| 2009 | -5.08506 |
| 2008 | 13.7 |
| 2007 | 12.5 |
| 2006 | 11.2 |
| 2005 | 17.7759 |
| 2004 | 25.6197 |
| 2003 | 19.9495 |
| 2002 | 10.3679 |
| 2001 | 17.1805 |
| 2000 | 21.1011 |
| 1999 | 23 |
| 1998 | 19 |
| 1997 | 16 |
| 1996 | 24 |
| 1995 | 20 |
| 1994 | 16 |
| 1993 | 9.12679 |
| 1992 | 24.6718 |
| 1991 | 29.8572 |
| 1990 | 12.9254 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |